/*
 * Copyright (c) 2008, Artur Emagulov
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * 27.08.2008
 * atoms.h - entries to very low level functions, entirely written in assembly 
 * language. See 'atoms.S' for implementation details.
 */

#ifndef _ATOMS_H_
#define _ATOMS_H_

#include <x86/arch.h>

#ifndef __ASSEMBLY__

#ifdef __cplusplus
extern "C" {
#endif

extern void	intr_0(void);
extern void	intr_1(void);
extern void	intr_2(void);
extern void	intr_3(void);
extern void	intr_4(void);
extern void	intr_5(void);
extern void	intr_6(void);
extern void	intr_7(void);
extern void	intr_8(void);
extern void	intr_9(void);
extern void	intr_10(void);
extern void	intr_11(void);
extern void	intr_12(void);
extern void	intr_13(void);
extern void	intr_14(void);
extern void	intr_15(void);

extern void	trap_default(void);

extern void	trap_0(void);
extern void	trap_1(void);
extern void	trap_2(void);
extern void	trap_3(void);
extern void	trap_4(void);
extern void	trap_5(void);
extern void	trap_6(void);
extern void	trap_7(void);
extern void	trap_8(void);
extern void	trap_9(void);
extern void	trap_10(void);
extern void	trap_11(void);
extern void	trap_12(void);
extern void	trap_13(void);
extern void	trap_14(void);
extern void	trap_15(void);
extern void	trap_16(void);
extern void	trap_17(void);
extern void	trap_18(void);

extern void	syscall_entry(void);
extern void	syscall_ret(void);

extern void	cpu_switch(struct kern_regs *, struct kern_regs *);

extern void	known_fault1(void);
extern void	known_fault2(void);
extern void	known_fault3(void);

extern void	umem_fault(void);

extern void	cpu_reset(void);
extern void stack_setup(void);

/*
  extern void	flush_tlb(void);
 */
extern void	lgdt(void *);
extern void	lidt(void *);
extern void	ltr(u32);
extern u32	get_eflags(void);
extern void	set_eflags(u32);
extern void	set_cr0(u32);
extern u32	get_cr0(void);
extern u32	get_cr2(void);
extern void	set_cr3(u32);
extern u32	get_cr3(void);

extern void	cli(void);
extern void	sti(void);

/*
 * in/out workaround 
 */
extern void	outb_p(u8, int);
extern u8	inb_p(int);
extern void	__outl(u32, int);
extern void	__outw(u32, int);
extern void	__outb(u32, int);
extern u32	__inl(int);
extern u32	__inw(int);
extern u32	__inb(int);

extern void	cpu_idle(void);

/*
 * 
 */
extern void interrupt_enable(void);
extern void interrupt_disable(void);

#ifdef __cplusplus
};
#endif

#endif /*__ASSEMBLY__*/

#endif /*ATOMS_H_*/
